Thermogravimetric analyzer



FIG. 1 is a front perspective view of a thermogravimetric analyzer showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is an enlarged perspective view of a portion defined by lines 8 show in FIG. 1.

The broken lines represent the portions of the design that form no part of the claim. The mesh portion around the claimed portion forms no part of the claimed design. 

CLAIM The ornamental design for a thermogravimetric analyzer, as shown and described. 